CN205121924U - English teaching display device - Google Patents

Abstract

The utility model provides an english teaching display device, includes the base, be equipped with the support on the base, the intermediate position of support vertically is equipped with the lead screw, be equipped with the nut on the lead screw, be equipped with the sprocket on the nut no. One, a sprocket passes through the chain and is connected with no. Two epaxial sprockets of motor output, the top and the crossbeam of lead screw are connected, the both ends of crossbeam articulate through the pivot has the stand, the top of stand is equipped with the blind hole, still includes the back timber, the both sides bottom of back timber be equipped with with the blind hole boss that cooperatees. The utility model discloses can go up the height of curtain through lead screw adjustment couple, make things convenient for watching of student, the stand can merge with the crossbeam, and the lead screw reduces in returning the early support that contracts the utility model discloses a volume is conveniently deposited, saves indoor space.

Description

An English teaching display device

technical field

The utility model relates to an English teaching display device.

Background technique

In the teaching process, because the teacher cannot make the students master what they have learned only by oral teaching, they often use display devices during teaching. The use of display devices can not only show the key points to be learned in class for a long time, but also give Students have time to think and memorize, which is beneficial for students to master knowledge and improve their academic performance.

Contents of the invention

The purpose of the utility model is to provide an English teaching display device. The present invention solves the problems that the existing English teaching display device has a large volume, cannot be changed in shape, and occupies a large amount of space.

The purpose is achieved by the following scheme: an English teaching display device, comprising a base, a support is provided on the base, a lead screw is longitudinally provided at the middle position of the support, a nut is provided on the lead screw, and the The nut is provided with a No. 1 sprocket, and the No. 1 sprocket is connected with the No. 2 sprocket on the output shaft of the motor through a chain. , the top of the column is provided with a blind hole, and also includes a top beam, and the bottom ends of both sides of the top beam are provided with bosses matching the blind holes.

The bottom of the base is provided with a running wheel.

The bracket is provided with a fixed block to prevent the nut from moving up and down.

The side of the bracket is provided with a through hole through which the chain passes.

A plurality of hooks are arranged on the top beam.

The utility model has the following advantages: the utility model can adjust the height of the curtain on the hook through the lead screw, which is convenient for students to watch, the column can be combined with the beam, and the lead screw can be retracted into the bracket, which reduces the volume of the utility model and facilitates storage , saving indoor space.

Description of drawings

Fig. 1 is a structural representation of the utility model.

Among them, 1-base, 2-bracket, 3-lead screw, 4-nut, 5-the first sprocket, 6-chain, 7-motor, 8-the second sprocket, 9-beam, 10-rotating shaft, 11 -column, 12-blind hole, 13-top beam, 14-boss, 15-runner, 16-fixed block, 17-through hole, 18-hook.

detailed description

Preferred embodiments of the present utility model will be described in detail below in conjunction with the accompanying drawings.

An English teaching display device, comprising a base 1, a bracket 2 is arranged on the base 1, a lead screw 3 is longitudinally arranged at the middle position of the support 2, a nut 4 is arranged on the lead screw 3, and the nut 4 The No. 1 sprocket 5 is arranged on the top, and the No. 1 sprocket 5 is connected with the No. 2 sprocket 8 on the output shaft of the motor 7 through the chain 6. The top of the screw 3 is connected with the beam 9, and the two sides of the beam 9 The end is hinged with a column 11 through a rotating shaft 10, and the top of the column 11 is provided with a blind hole 12, and also includes a top beam 13, and the bottom ends of both sides of the top beam 13 are provided with bosses 14 that match the blind hole 12. The bottom end of the base 1 is provided with a wheel 15 . The bracket 2 is provided with a fixed block 16 to prevent the nut 4 from moving up and down. The side of the bracket 2 is provided with a through hole 17 through which the chain 6 passes. The top beam 13 is provided with a plurality of hooks 18 .

There are four fixed blocks 16, which are respectively welded on the inside of the bracket 2 to prevent the nut 4 from moving up and down. The motor 7 is connected with the power line in the classroom through a connecting wire. 8 Through threaded connection, the column 11 is erected on the beam 9 through the rotating wheel 10, and the boss 14 on the top beam 13 is set in the blind hole 12 to form a complete frame, and the teaching materials that need to be displayed in English teaching are printed on the curtain , hang on the hook 18, drive the motor 7, the No. 2 sprocket 8 drives the nut 4 on the No. 1 sprocket 5 to rotate through the chain 6, and the screw 3 rotates at the same time, and the crossbeam 9 is jacked up, so that the students behind can watch the curtain The English content on the screen, after using, the top beam 13 is taken off, and the column 11 is merged with the crossbeam 9 by the rotating shaft 10, and the leading screw 3 is retracted to the original position, and is promoted by the runner 15.

This embodiment is only an exemplary description of this patent and does not limit its protection scope. Those skilled in the art can also make partial changes to it. As long as they do not exceed the spirit of this patent, they are all regarded as equivalent replacements for this patent. protection scope of this patent.

Claims (5)

1. an English teaching exhibiting device, comprise base (1), it is characterized in that: described base (1) is provided with support (2), the centre position of described support (2) is longitudinally provided with leading screw (3), described leading screw (3) is provided with nut (4), described nut (4) is provided with a sprocket wheel (5), a described sprocket wheel (5) is connected with No. two sprocket wheels (8) on motor (7) output shaft by chain (6), the top of described leading screw (3) is connected with crossbeam (9), the two ends of described crossbeam (9) are hinged with column (11) by rotating shaft (10), the top of described column (11) is provided with blind hole (12), also comprise back timber (13), the bottom, both sides of described back timber (13) is provided with the boss (14) that to match with blind hole (12).

2. English teaching exhibiting device according to claim 1, is characterized in that: the bottom of described base (1) is provided with runner (15).

3. English teaching exhibiting device according to claim 1, is characterized in that: be provided with the fixed block (16) preventing nut (4) from moving up and down in described support (2).

4. English teaching exhibiting device according to claim 1, is characterized in that: the edge of described support (2) is provided with the through hole (17) that chain (6) passes.

5. English teaching exhibiting device according to claim 1, is characterized in that: described back timber (13) is provided with multiple hook (18).